Document interrupt controller in RDA Micro RDA8810PL SoC. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org> Reviewed-by: Rob Herring <robh at kernel.org> --- .../interrupt-controller/rda,8810pl-intc.txt | 61 +++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/rda,8810pl-intc.txt diff --git a/Documentation/devicetree/bindings/interrupt-controller/rda,8810pl-intc.txt b/Documentation/devicetree/bindings/interrupt-controller/rda,8810pl-intc.txt new file mode 100644 index 000000000000..e0062aebf025 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/rda,8810pl-intc.txt @@ -0,0 +1,61 @@ +RDA Micro RDA8810PL Interrupt Controller + +The interrupt controller in RDA8810PL SoC is a custom interrupt controller +which supports up to 32 interrupts. + +Required properties: + +- compatible: Should be "rda,8810pl-intc". +- reg: Specifies base physical address of the registers set. +- interrupt-controller: Identifies the node as an interrupt controller. +- #interrupt-cells: Specifies the number of cells needed to encode an + interrupt source. The value shall be 2. + +The interrupt sources are as follows: + +ID Name +------------ +0: PULSE_DUMMY +1: I2C +2: NAND_NFSC +3: SDMMC1 +4: SDMMC2 +5: SDMMC3 +6: SPI1 +7: SPI2 +8: SPI3 +9: UART1 +10: UART2 +11: UART3 +12: GPIO1 +13: GPIO2 +14: GPIO3 +15: KEYPAD +16: TIMER +17: TIMEROS +18: COMREG0 +19: COMREG1 +20: USB +21: DMC +22: DMA +23: CAMERA +24: GOUDA +25: GPU +26: VPU_JPG +27: VPU_HOST +28: VOC +29: AUIFC0 +30: AUIFC1 +31: L2CC + +Example: + apb at 20800000 { + compatible = "simple-bus"; + ... + intc: interrupt-controller at 0 { + compatible = "rda,8810pl-intc"; + reg = <0x0 0x1000>; + interrupt-controller; + #interrupt-cells = <2>; + }; + }; -- 2.17.1